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/*-
* Copyright 2008 by Nathan Whitehorn. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <machine/md_var.h>
#include <machine/pio.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <sys/rman.h>
#include <machine/openpicvar.h>
#include "pic_if.h"
/*
* Mambo interface
*/
static int openpic_mambo_probe(device_t);
static int openpic_mambo_attach(device_t);
static int openpicbus_mambo_probe(device_t dev);
static int openpicbus_mambo_attach(device_t dev);
static struct resource *openpicbus_alloc_resource(device_t bus, device_t dev,
int type, int *rid, u_long start, u_long end, u_long count, u_int flags);
static device_method_t openpicbus_mambo_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, openpicbus_mambo_probe),
DEVMETHOD(device_attach, openpicbus_mambo_attach),
/* Bus interface */
DEVMETHOD(bus_alloc_resource, openpicbus_alloc_resource),
{0,0}
};
struct openpicbus_softc {
vm_offset_t picaddr;
};
static driver_t openpicbus_mambo_driver = {
"openpicbus",
openpicbus_mambo_methods,
sizeof(struct openpicbus_softc),
};
static device_method_t openpic_mambo_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, openpic_mambo_probe),
DEVMETHOD(device_attach, openpic_mambo_attach),
/* PIC interface */
DEVMETHOD(pic_config, openpic_config),
DEVMETHOD(pic_dispatch, openpic_dispatch),
DEVMETHOD(pic_enable, openpic_enable),
DEVMETHOD(pic_eoi, openpic_eoi),
DEVMETHOD(pic_ipi, openpic_ipi),
DEVMETHOD(pic_mask, openpic_mask),
DEVMETHOD(pic_unmask, openpic_unmask),
{ 0, 0 },
};
static driver_t openpic_mambo_driver = {
"openpic",
openpic_mambo_methods,
sizeof(struct openpic_softc),
};
static devclass_t openpicbus_devclass;
DRIVER_MODULE(openpicbus, nexus, openpicbus_mambo_driver,
openpicbus_devclass, 0, 0);
DRIVER_MODULE(openpic, openpicbus, openpic_mambo_driver,
openpic_devclass, 0, 0);
static int
openpicbus_mambo_probe(device_t dev)
{
const char *type = ofw_bus_get_type(dev);
if (type == NULL || strcmp(type, "open-pic") != 0)
return (ENXIO);
device_set_desc(dev, "Mambo OpenPIC Container");
return (0);
}
static int
openpicbus_mambo_attach(device_t dev)
{
uint64_t picaddr;
phandle_t nexus;
struct openpicbus_softc *sc;
sc = device_get_softc(dev);
nexus = OF_parent(ofw_bus_get_node(dev));
OF_getprop(nexus,"platform-open-pic",
&picaddr,sizeof(picaddr));
sc->picaddr = picaddr;
device_add_child(dev,"openpic",-1);
return (bus_generic_attach(dev));
}
static struct resource *
openpicbus_alloc_resource(device_t bus, device_t dev, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct openpicbus_softc *sc;
sc = device_get_softc(bus);
count = 0x40000;
start = sc->picaddr;
end = start + count;
return (bus_alloc_resource(bus, type, rid, start, end, count, flags));
}
static int
openpic_mambo_probe(device_t dev)
{
device_set_desc(dev, OPENPIC_DEVSTR);
return (0);
}
static int
openpic_mambo_attach(device_t dev)
{
return (openpic_common_attach(dev,
ofw_bus_get_node(device_get_parent(dev))));
}
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